java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/deadcode/ex01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:52:27,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:52:27,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:52:27,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:52:27,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:52:27,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:52:27,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:52:27,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:52:27,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:52:27,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:52:27,667 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:52:27,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:52:27,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:52:27,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:52:27,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:52:27,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:52:27,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:52:27,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:52:27,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:52:27,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:52:27,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:52:27,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:52:27,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:52:27,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:52:27,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:52:27,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:52:27,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:52:27,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:52:27,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:52:27,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:52:27,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:52:27,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:52:27,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:52:27,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:52:27,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:52:27,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:52:27,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:52:27,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:52:27,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:52:27,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:52:27,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:52:27,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:52:27,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:52:27,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:52:27,762 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:52:27,762 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:52:27,763 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/deadcode/ex01.bpl [2019-08-05 09:52:27,764 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/deadcode/ex01.bpl' [2019-08-05 09:52:27,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:52:27,799 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:52:27,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:27,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:52:27,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:52:27,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:27" (1/1) ... [2019-08-05 09:52:27,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:27" (1/1) ... [2019-08-05 09:52:27,835 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 09:52:27,836 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 09:52:27,836 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 09:52:27,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:27,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:52:27,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:52:27,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:52:27,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:27" (1/1) ... [2019-08-05 09:52:27,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:27" (1/1) ... [2019-08-05 09:52:27,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:27" (1/1) ... [2019-08-05 09:52:27,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:27" (1/1) ... [2019-08-05 09:52:27,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:27" (1/1) ... [2019-08-05 09:52:27,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:27" (1/1) ... [2019-08-05 09:52:27,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:27" (1/1) ... [2019-08-05 09:52:27,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:52:27,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:52:27,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:52:27,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:52:27,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 09:52:27,918 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 09:52:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 09:52:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 09:52:28,262 INFO L275 CfgBuilder]: Using library mode [2019-08-05 09:52:28,263 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 09:52:28,265 INFO L202 PluginConnector]: Adding new model ex01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:28 BoogieIcfgContainer [2019-08-05 09:52:28,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:52:28,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:52:28,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:52:28,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:52:28,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:27" (1/2) ... [2019-08-05 09:52:28,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe0bbd and model type ex01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:52:28, skipping insertion in model container [2019-08-05 09:52:28,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ex01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:28" (2/2) ... [2019-08-05 09:52:28,274 INFO L109 eAbstractionObserver]: Analyzing ICFG ex01.bpl [2019-08-05 09:52:28,282 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:52:28,288 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 09:52:28,303 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 09:52:28,328 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:52:28,329 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:52:28,329 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:52:28,329 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:52:28,329 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:52:28,329 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:52:28,330 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:52:28,330 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:52:28,330 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:52:28,344 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 09:52:28,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 09:52:28,352 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:52:28,353 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 09:52:28,356 INFO L418 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:52:28,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:52:28,362 INFO L82 PathProgramCache]: Analyzing trace with hash 973, now seen corresponding path program 1 times [2019-08-05 09:52:28,412 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:52:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 09:52:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 09:52:28,453 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 09:52:28,471 INFO L202 PluginConnector]: Adding new model ex01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:52:28 BoogieIcfgContainer [2019-08-05 09:52:28,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:52:28,474 INFO L168 Benchmark]: Toolchain (without parser) took 673.69 ms. Allocated memory is still 138.4 MB. Free memory was 108.2 MB in the beginning and 84.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:28,476 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 09:52:28,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.44 ms. Allocated memory is still 138.4 MB. Free memory was 108.0 MB in the beginning and 106.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:28,479 INFO L168 Benchmark]: Boogie Preprocessor took 23.01 ms. Allocated memory is still 138.4 MB. Free memory was 106.2 MB in the beginning and 105.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:28,480 INFO L168 Benchmark]: RCFGBuilder took 403.32 ms. Allocated memory is still 138.4 MB. Free memory was 105.1 MB in the beginning and 95.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:28,481 INFO L168 Benchmark]: TraceAbstraction took 204.45 ms. Allocated memory is still 138.4 MB. Free memory was 95.0 MB in the beginning and 84.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:28,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.44 ms. Allocated memory is still 138.4 MB. Free memory was 108.0 MB in the beginning and 106.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.01 ms. Allocated memory is still 138.4 MB. Free memory was 106.2 MB in the beginning and 105.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 403.32 ms. Allocated memory is still 138.4 MB. Free memory was 105.1 MB in the beginning and 95.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 204.45 ms. Allocated memory is still 138.4 MB. Free memory was 95.0 MB in the beginning and 84.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: assertion can be violated assertion can be violated We found a FailurePath: [L4] x := 0.0; VAL [x=0.0] [L14] assert LOC_ID == 0; VAL [LOC_ID=1, x=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...